Sun lounger



FIG. 1 is a front perspective view of a sun lounger showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side orthographic view thereof and of which a side view taken with respect to the left side would be a mirror image; and,

FIG. 6 is a right side orthographic view thereof showing its back extended in a fully reclined position. 

The ornamental design for a sun lounger, as shown and described. 